Home / 16,109.02-22,238.85-12,515.95

Finding the Fourth Proportional to 16,109.02, 22,238.85 and 12,515.95

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Solution

The fourth proportional to 16,109.02, 22,238.85 and 12,515.95 is: 17,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,109.02 : 22,238.85 = 12,515.95 : x
  2. Step 2: Convert to fraction form
    16,109.02/22,238.85 = 12,515.95/x
  3. Step 3: Cross multiply
    16,109.02x = 22,238.85 × 12,515.95
  4. Step 4: Simplify right side
    16,109.02x = 278,340,334.66
  5. Step 5: Solve for x
    x = 278,340,334.66/16,109.02
  6. Step 6: Final answer
    x = 17,278.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.